forced convection lehr

例句：

1. 1. The forced convection heateris designed to quickly heat up a room.
   强制对流式加热器设计用来快速加热房间。
2. 2. In the winter, the forcedconvection heater keeps the house warmand cozy.
   冬天，强制对流式加热器让房子温暖舒适。
3. 3. The engineer useda forced convection heater to drythe wet clothes quickly.
   工程师使用强制对流式加热器迅速干燥湿衣服。